干旱生态脆弱区土地利用转化的土壤保持服务供需匹配研究

——以宁夏为例

打开文本图片集

关键词干旱生态脆弱区；土壤保持；供需匹配；InVEST模型

中图分类号S157文献标识码A

文章编号 0517-6611（2025）08-0035-07

doi：10.3969/j.issn.0517-6611.2025.08.009

开放科学（资源服务）标识码（OSID）：

AbstractLandussaethpatialexprsftesafotusenddevelopetofidustralcturedohe spatialcaforasfoaiossrfotiototoltalitustree functionofologicacseirisfoudatioforostructioofuadomuitydndologicallfrile areas，thereisighpresueonsoilerosiocoloicalprotetioundermultiplesousofiskandvarabledisturbacesoaceehg qualitydeveloptdoltdabilityiisucialtolatdsobsoflseaie functions.TisarticleusesthIVEodeltoudythesolonsevationfuctioupplyanddmandmatcingndrissofduee aridzoneofcentralingxiafro2otoThersussowthat：Intheast 2Oyeas，terasbenasigificantexpansiofostuction lnd，minlyeofiedlddseblse totalsupplyanddmandforsoilonsevationarethonthiseithncreaseieaswheresupplyfalssortfdemand.Thandfor soilconseratioioginoutygiputrtdHnouteasidrdofplndatisin whilethespatialatetwnsplndndierallyeasingoespectieofsuplydandskeisf supplyaddndofiloseatiosvsisailtribtdinogaotictHanotyorartofcout andthenorthwstofogxinountyicascreasdfrotutthristillrskpressure.ereforeetrolses fromtheaspectsfsuplydmandndiskaageentareproosdtoprovidediblebasisndathefereeforimprovingtevalueof land use and soil conservation services in arid and ecologically fragile areas.

Key WordsArid and ecologically fragile areas；Soil conservation；Matching supply and demand；InVEST model

生态安全是国家安全的基础，直接关系生态系统的服务功能和经济社会发展的质量，“十四五"规划及党的二十大指出生态文明建设的重要地位，要提升生态系统质量和稳定性。（剩余8476字）